APA-referens (7:e uppl.)

LAURINI, R., & THOMPSON, D. (1993). Fundamentals of spatial information systems. Academic Press.

Chicago-referens (17:e uppl.)

LAURINI, Robert, och Derek THOMPSON. Fundamentals of Spatial Information Systems. California: Academic Press, 1993.

MLA-referens (9:e uppl.)

LAURINI, Robert, och Derek THOMPSON. Fundamentals of Spatial Information Systems. Academic Press, 1993.